Which of the following continually emits electromagnetic radiation?
A)insects
B)radio antennas
C)red-hot coals
D)all of these
E)none of these

Name: Which of the following continually emits electromagnetic radiation? A)insects B)radio antennas C)red-hot coals D)all of these E)none of these
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Question

Quizplus · Accepted Answer

Insects and red-hot coals do not emit electromagnetic radiation, but radio antennas emit radio waves, which are a form of electromagnetic radiation. Therefore, the correct answer is D - all of these.

Which of the Following Continually Emits Electromagnetic Radiation